Question about Texas Instruments TI-89 Calculator
Write it as "tan(x)^2". For example, to calculate the square of the tangent of 1, press 2nd [TAN] 1 ) ^ 2 ENTER .
Posted on Nov 08, 2012
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Posted on Jan 02, 2017
SOURCE: TI-89 Problems
There isn't anything "wrong" with it.
Go to mode, and set the results of your inquiries from Exact to approx.
If you put in cos(e^2), it will print out cos(e^2) because it's the most exact it can be without going into a decimal. (cos(e^2) will be a transcendental number like Pi).
Posted on Dec 21, 2008
Well, to answer part of your question, yes... the TI-89 does factor like this. it is inputted like this:
Check the catalog in the TI-84 (which is 2nd-zero) and look under F for factor()
Posted on Jan 19, 2009
Press the diamond key, then press ENTER to convert a symbolic result to a decimal result. If you want them all in decimal form, press MODE then F2. Scroll down to Exact/Approx and change that setting to Approximate.
Posted on May 17, 2010
Press diamond ENTER to convert a symbolic result to a numeric result. To have all results come out in numeric form, press MODE, F2, use the arrow keys to move to the Exact/Approx line, press right-arrow, select "APPROXIMATE", and press ENTER twice.
Posted on Feb 20, 2011
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